Adding chrome to the list of browsers in saucelabs + a few more tests for ui.js coverage
Adding chrome to the list of browsers in saucelabs + a few more tests for ui.js coverage

CR: jseanxu

KevinTCoughlin/winjs,grork/winjs,Guadzilah/winjs,kevinwsbr/winjs,PaulWells/winjs,kevinwsbr/winjs,CensoredUser/winjs,nobuoka/winjs,CensoredUser/winjs,IveWong/winjs,kevinwsbr/winjs,nobuoka/winjs,KevinTCoughlin/winjs,KevinTCoughlin/winjs,edrohler/winjs,Guadzilah/winjs,jmptrader/winjs,rigdern/winjs,gautamsi/winjs,gautamsi/winjs,edrohler/winjs,Guadzilah/winjs,grork/winjs,PaulWells/winjs,jmptrader/winjs,jmptrader/winjs,CensoredUser/winjs,grork/winjs,IveWong/winjs,edrohler/winjs,rigdern/winjs,GREYFOXRGR/winjs,IveWong/winjs,GREYFOXRGR/winjs,gautamsi/winjs,nobuoka/winjs,rigdern/winjs,ladyinblack/winjs,ladyinblack/winjs,GREYFOXRGR/winjs,PaulWells/winjs,ladyinblack/winjs